Examples with Point com.jme3.scene.plugins.blender.meshes.Point used on opensource projects

Example 6 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class LightSortTest method testSceneGraphSort.

@Test
public void testSceneGraphSort() {
    Node n = new Node("node");
    Geometry g = new Geometry("geom", new Mesh());
    SpotLight spot = new SpotLight(Vector3f.ZERO, Vector3f.UNIT_X);
    PointLight point = new PointLight(Vector3f.UNIT_X);
    DirectionalLight directional = new DirectionalLight(Vector3f.UNIT_X);
    AmbientLight ambient = new AmbientLight();
    // Some lights are on the node
    n.addLight(spot);
    n.addLight(point);
    // .. and some on the geometry.
    g.addLight(directional);
    g.addLight(ambient);
    n.attachChild(g);
    n.updateGeometricState();
    LightList list = g.getWorldLightList();
    // check the sorting (when geom is at 0,0,0)
    assert list.get(0) instanceof AmbientLight;
    assert list.get(1) instanceof DirectionalLight;
    assert list.get(2) instanceof SpotLight;
    assert list.get(3) instanceof PointLight;
    // move the geometry closer to the point light
    g.setLocalTranslation(Vector3f.UNIT_X);
    n.updateGeometricState();
    assert list.get(0) instanceof AmbientLight;
    assert list.get(1) instanceof DirectionalLight;
    assert list.get(2) instanceof PointLight;
    assert list.get(3) instanceof SpotLight;
// now move the point light away from the geometry
// and the spot light closer
// XXX: doesn't work! jME can't detect that the light moved!
//        point.setPosition(Vector3f.ZERO);
//        spot.setPosition(Vector3f.UNIT_X);
//        n.updateGeometricState();
//        
//        assert list.get(0) instanceof AmbientLight;
//        assert list.get(1) instanceof DirectionalLight;
//        assert list.get(2) instanceof SpotLight;
//        assert list.get(3) instanceof PointLight;
}

Example 7 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class FbxLoader method constructAnimations.

private void constructAnimations() {
    // In FBX, animation are not attached to any root.
    // They are implicitly global.
    // So, we need to use hueristics to find which node(s) 
    // an animation is associated with, so we can create the AnimControl
    // in the appropriate location in the scene.
    Map<FbxToJmeTrack, FbxToJmeTrack> pairs = new HashMap<FbxToJmeTrack, FbxToJmeTrack>();
    for (FbxAnimStack stack : animStacks) {
        for (FbxAnimLayer layer : stack.getLayers()) {
            for (FbxAnimCurveNode curveNode : layer.getAnimationCurveNodes()) {
                for (Map.Entry<FbxNode, String> nodePropertyEntry : curveNode.getInfluencedNodeProperties().entrySet()) {
                    FbxToJmeTrack lookupPair = new FbxToJmeTrack();
                    lookupPair.animStack = stack;
                    lookupPair.animLayer = layer;
                    lookupPair.node = nodePropertyEntry.getKey();
                    // Find if this pair is already stored
                    FbxToJmeTrack storedPair = pairs.get(lookupPair);
                    if (storedPair == null) {
                        // If not, store it.
                        storedPair = lookupPair;
                        pairs.put(storedPair, storedPair);
                    }
                    String property = nodePropertyEntry.getValue();
                    storedPair.animCurves.put(property, curveNode);
                }
            }
        }
    }
    // At this point we can construct the animation for all pairs ...
    for (FbxToJmeTrack pair : pairs.values()) {
        String animName = pair.animStack.getName();
        float duration = pair.animStack.getDuration();
        System.out.println("ANIMATION: " + animName + ", duration = " + duration);
        System.out.println("NODE: " + pair.node.getName());
        duration = pair.getDuration();
        if (pair.node instanceof FbxLimbNode) {
            // Find the spatial that has the skeleton for this limb.
            FbxLimbNode limbNode = (FbxLimbNode) pair.node;
            Bone bone = limbNode.getJmeBone();
            Spatial jmeSpatial = limbNode.getSkeletonHolder().getJmeObject();
            Skeleton skeleton = limbNode.getSkeletonHolder().getJmeSkeleton();
            // Get the animation control (create if missing).
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl.getSkeleton() != skeleton) {
                throw new UnsupportedOperationException();
            }
            // Get the animation (create if missing).
            Animation anim = animControl.getAnim(animName);
            if (anim == null) {
                anim = new Animation(animName, duration);
                animControl.addAnim(anim);
            }
            // Find the bone index from the spatial's skeleton.
            int boneIndex = skeleton.getBoneIndex(bone);
            // Generate the bone track.
            BoneTrack bt = pair.toJmeBoneTrack(boneIndex, bone.getBindInverseTransform());
            // Add the bone track to the animation.
            anim.addTrack(bt);
        } else {
            // Create the spatial animation
            Animation anim = new Animation(animName, duration);
            anim.setTracks(new Track[] { pair.toJmeSpatialTrack() });
            // Get the animation control (create if missing).
            Spatial jmeSpatial = pair.node.getJmeObject();
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl == null) {
                animControl = new AnimControl(null);
                jmeSpatial.addControl(animControl);
            }
            // Add the spatial animation
            animControl.addAnim(anim);
        }
    }
}

Example 8 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class ObjectHelper method isParent.

/**
     * Checks if the first given OMA points to a parent of the second one.
     * The parent need not to be the direct one. This method should be called when we are sure
     * that both of the features are alred loaded because it does not check it.
     * The OMA's should point to a spatials, otherwise the function will throw ClassCastException.
     * @param supposedParentOMA
     *            the OMA of the node that we suppose might be a parent of the second one
     * @param spatialOMA
     *            the OMA of the scene's node
     * @return <b>true</b> if the first given OMA points to a parent of the second one and <b>false</b> otherwise
     */
public boolean isParent(Long supposedParentOMA, Long spatialOMA) {
    Spatial supposedParent = (Spatial) blenderContext.getLoadedFeature(supposedParentOMA, LoadedDataType.FEATURE);
    Spatial spatial = (Spatial) blenderContext.getLoadedFeature(spatialOMA, LoadedDataType.FEATURE);
    Spatial parent = spatial.getParent();
    while (parent != null) {
        if (parent.equals(supposedParent)) {
            return true;
        }
        parent = parent.getParent();
    }
    return false;
}

Example 9 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class ParticlesHelper method toParticleEmitter.

@SuppressWarnings("unchecked")
public ParticleEmitter toParticleEmitter(Structure particleSystem) throws BlenderFileException {
    ParticleEmitter result = null;
    Pointer pParticleSettings = (Pointer) particleSystem.getFieldValue("part");
    if (pParticleSettings.isNotNull()) {
        Structure particleSettings = pParticleSettings.fetchData().get(0);
        int totPart = ((Number) particleSettings.getFieldValue("totpart")).intValue();
        // draw type will be stored temporarily in the name (it is used during modifier applying operation)
        int drawAs = ((Number) particleSettings.getFieldValue("draw_as")).intValue();
        // P - point, L - line, N - None, B - Bilboard
        char nameSuffix;
        switch(drawAs) {
            case PART_DRAW_NOT:
                nameSuffix = 'N';
                // no need to generate particles in this case
                totPart = 0;
                break;
            case PART_DRAW_BB:
                nameSuffix = 'B';
                break;
            case PART_DRAW_OB:
            case PART_DRAW_GR:
                nameSuffix = 'P';
                // TODO: support groups and aobjects
                LOGGER.warning("Neither object nor group particles supported yet! Using point representation instead!");
                break;
            case PART_DRAW_LINE:
                nameSuffix = 'L';
                // TODO: support lines
                LOGGER.warning("Lines not yet supported! Using point representation instead!");
            default:
                // all others are rendered as points in blender
                nameSuffix = 'P';
        }
        result = new ParticleEmitter(particleSettings.getName() + nameSuffix, Type.Triangle, totPart);
        if (nameSuffix == 'N') {
            // no need to set anything else
            return result;
        }
        // setting the emitters shape (the shapes meshes will be set later during modifier applying operation)
        int from = ((Number) particleSettings.getFieldValue("from")).intValue();
        switch(from) {
            case PART_FROM_VERT:
                result.setShape(new EmitterMeshVertexShape());
                break;
            case PART_FROM_FACE:
                result.setShape(new EmitterMeshFaceShape());
                break;
            case PART_FROM_VOLUME:
                result.setShape(new EmitterMeshConvexHullShape());
                break;
            default:
                LOGGER.warning("Default shape used! Unknown emitter shape value ('from' parameter: " + from + ')');
        }
        // reading acceleration
        DynamicArray<Number> acc = (DynamicArray<Number>) particleSettings.getFieldValue("acc");
        result.setGravity(-acc.get(0).floatValue(), -acc.get(1).floatValue(), -acc.get(2).floatValue());
        // setting the colors
        result.setEndColor(new ColorRGBA(1f, 1f, 1f, 1f));
        result.setStartColor(new ColorRGBA(1f, 1f, 1f, 1f));
        // reading size
        float sizeFactor = nameSuffix == 'B' ? 1.0f : 0.3f;
        float size = ((Number) particleSettings.getFieldValue("size")).floatValue() * sizeFactor;
        result.setStartSize(size);
        result.setEndSize(size);
        // reading lifetime
        int fps = blenderContext.getBlenderKey().getFps();
        float lifetime = ((Number) particleSettings.getFieldValue("lifetime")).floatValue() / fps;
        float randlife = ((Number) particleSettings.getFieldValue("randlife")).floatValue() / fps;
        result.setLowLife(lifetime * (1.0f - randlife));
        result.setHighLife(lifetime);
        // preparing influencer
        ParticleInfluencer influencer;
        int phystype = ((Number) particleSettings.getFieldValue("phystype")).intValue();
        switch(phystype) {
            case PART_PHYS_NEWTON:
                influencer = new NewtonianParticleInfluencer();
                ((NewtonianParticleInfluencer) influencer).setNormalVelocity(((Number) particleSettings.getFieldValue("normfac")).floatValue());
                ((NewtonianParticleInfluencer) influencer).setVelocityVariation(((Number) particleSettings.getFieldValue("randfac")).floatValue());
                ((NewtonianParticleInfluencer) influencer).setSurfaceTangentFactor(((Number) particleSettings.getFieldValue("tanfac")).floatValue());
                ((NewtonianParticleInfluencer) influencer).setSurfaceTangentRotation(((Number) particleSettings.getFieldValue("tanphase")).floatValue());
                break;
            case PART_PHYS_BOIDS:
            case // TODO: support other influencers
            PART_PHYS_KEYED:
                LOGGER.warning("Boids and Keyed particles physic not yet supported! Empty influencer used!");
            case PART_PHYS_NO:
            default:
                influencer = new EmptyParticleInfluencer();
        }
        result.setParticleInfluencer(influencer);
    }
    return result;
}

Example 10 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class Edge method getCrossPoint.

/**
	 * The method computes the crossing pint of this edge and another edge. If
	 * there is no crossing then null is returned. Also null is returned if the edges are parallel.
	 * This method also allows to get the crossing point of the straight lines that contain these edges if
	 * you set the 'extend' parameter to true.
	 * 
	 * @param edge
	 *            the edge to compute corss point with
	 * @param extendThisEdge
	 *            set to <b>true</b> to find a crossing point along the whole
	 *            straight that contains the current edge
	 * @param extendSecondEdge
	 *            set to <b>true</b> to find a crossing point along the whole
	 *            straight that contains the given edge
	 * @return cross point on null if none exist or the edges are parallel
	 */
public Vector3f getCrossPoint(Edge edge, boolean extendThisEdge, boolean extendSecondEdge) {
    Vector3d P1 = new Vector3d(this.getFirstVertex());
    Vector3d P2 = new Vector3d(edge.getFirstVertex());
    Vector3d u = new Vector3d(this.getSecondVertex()).subtract(P1).normalizeLocal();
    Vector3d v = new Vector3d(edge.getSecondVertex()).subtract(P2).normalizeLocal();
    if (Math.abs(u.dot(v)) >= 1 - FastMath.DBL_EPSILON) {
        // the edges are parallel; do not care about the crossing point
        return null;
    }
    double t1 = 0, t2 = 0;
    if (u.x == 0 && v.x == 0) {
        t2 = (u.z * (P2.y - P1.y) - u.y * (P2.z - P1.z)) / (u.y * v.z - u.z * v.y);
        t1 = (P2.z - P1.z + v.z * t2) / u.z;
    } else if (u.y == 0 && v.y == 0) {
        t2 = (u.x * (P2.z - P1.z) - u.z * (P2.x - P1.x)) / (u.z * v.x - u.x * v.z);
        t1 = (P2.x - P1.x + v.x * t2) / u.x;
    } else if (u.z == 0 && v.z == 0) {
        t2 = (u.x * (P2.y - P1.y) - u.y * (P2.x - P1.x)) / (u.y * v.x - u.x * v.y);
        t1 = (P2.x - P1.x + v.x * t2) / u.x;
    } else {
        t2 = (P1.y * u.x - P1.x * u.y + P2.x * u.y - P2.y * u.x) / (v.y * u.x - u.y * v.x);
        t1 = (P2.x - P1.x + v.x * t2) / u.x;
        if (Math.abs(P1.z - P2.z + u.z * t1 - v.z * t2) > FastMath.FLT_EPSILON) {
            return null;
        }
    }
    Vector3d p1 = P1.add(u.mult(t1));
    Vector3d p2 = P2.add(v.mult(t2));
    if (p1.distance(p2) <= FastMath.FLT_EPSILON) {
        if (extendThisEdge && extendSecondEdge) {
            return p1.toVector3f();
        }
        // the lines cross, check if p1 and p2 are within the edges
        Vector3d p = p1.subtract(P1);
        double cos = p.dot(u) / p.length();
        if (extendThisEdge || p.length() <= FastMath.FLT_EPSILON || cos >= 1 - FastMath.FLT_EPSILON && p.length() - this.getLength() <= FastMath.FLT_EPSILON) {
            // p1 is inside the first edge, lets check the other edge now
            p = p2.subtract(P2);
            cos = p.dot(v) / p.length();
            if (extendSecondEdge || p.length() <= FastMath.FLT_EPSILON || cos >= 1 - FastMath.FLT_EPSILON && p.length() - edge.getLength() <= FastMath.FLT_EPSILON) {
                return p1.toVector3f();
            }
        }
    }
    return null;
}